Home / 12,236,348.90-16,886,274.58-6,654,648.47

Finding the Fourth Proportional to 12,236,348.90, 16,886,274.58 and 6,654,648.47

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Solution

The fourth proportional to 12,236,348.90, 16,886,274.58 and 6,654,648.47 is: 9,183,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,348.90 : 16,886,274.58 = 6,654,648.47 : x
  2. Step 2: Convert to fraction form
    12,236,348.90/16,886,274.58 = 6,654,648.47/x
  3. Step 3: Cross multiply
    12,236,348.90x = 16,886,274.58 × 6,654,648.47
  4. Step 4: Simplify right side
    12,236,348.90x = 112,372,221,279,236.72
  5. Step 5: Solve for x
    x = 112,372,221,279,236.72/12,236,348.90
  6. Step 6: Final answer
    x = 9,183,476.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.